
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 220mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ32X220-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 170 to 220 mm usable travel window, allowing you to dial back the nominal stroke by up to 50 mm during commissioning without adding external stops. It delivers 402 N of push force at 0.5 MPa and operates at speeds of 30-800 mm/s.
This model uses a SUS420J2 stainless steel rod (material code A) with an M10x1.25 thread and a PT tapered G1/8 port. It supports AirTAC CMSE reed and DMSE electronic sensors via dual-side barrel grooves. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 220 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×220 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Dial in the exact retract distance within the 170-220 mm window during machine setup without swapping cylinders.
Quickly adjust the stroke stopper to accommodate varying product sizes on a single assembly line.
Use the fine-tune travel limit to ensure consistent positioning for light-duty 402 N assembly tasks.
Choose this 32 mm bore when you need precise end-position tuning over a 170-220 mm window, stepping up from a smaller frame or down from a 40 mm bore (628 N at 0.5 MPa) if your force requirements are lower. The adjustable rear stopper fine-tunes travel on product changeovers but does not lock the load; for holding position without live air, select an SAIL or BSAI cylinder. To match an ISO 15552 replacement, specify the 32 mm bore, 220 mm stroke, 50 mm adjust, PT G1/8 port, and standard mounting.
Quick checklist
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa operating pressure, it delivers up to 82 kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the 220 mm nominal stroke by up to 50 mm, creating a 170-220 mm usable travel window. It only sets the end position and does not hold the load without live air pressure.
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